Ella Elementary (Data source)
Source data for Ella Elementary
2015
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 3195935 | 2409 | - | 2436 | = | -27 | * | (81 | / | 274) | = | -7.9817518 | ||
4 | 3195936 | 2475 | - | 2485 | = | -10 | * | (67 | / | 274) | = | -2.44525547 | ||
5 | 3195939 | 2476 | - | 2528 | = | -52 | * | (65 | / | 274) | = | -12.3357664 | ||
6 | 3195940 | 2450 | - | 2552 | = | -102 | * | (61 | / | 274) | = | -22.70802917 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ella Elementary | -45 |
2016
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 98518 | 2415 | - | 2436 | = | -21 | * | (80 | / | 298) | = | -5.63758388 | ||
4 | 98520 | 2471 | - | 2485 | = | -14 | * | (82 | / | 298) | = | -3.85234899 | ||
5 | 98522 | 2461 | - | 2528 | = | -67 | * | (71 | / | 298) | = | -15.96308721 | ||
6 | 98525 | 2507 | - | 2552 | = | -45 | * | (65 | / | 298) | = | -9.81543623 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ella Elementary | -35 |
2017
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 101385 | 2398 | - | 2436 | = | -38 | * | (80 | / | 333) | = | -9.12912912 | ||
4 | 101387 | 2434 | - | 2485 | = | -51 | * | (97 | / | 333) | = | -14.85585584 | ||
5 | 101389 | 2507 | - | 2528 | = | -21 | * | (89 | / | 333) | = | -5.61261261 | ||
6 | 101391 | 2487 | - | 2552 | = | -65 | * | (67 | / | 333) | = | -13.07807807 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ella Elementary | -43 |
2018
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 101541 | 2401 | - | 2436 | = | -35 | * | (67 | / | 315) | = | -7.44444442 | ||
4 | 101542 | 2423 | - | 2485 | = | -62 | * | (74 | / | 315) | = | -14.56507931 | ||
5 | 101544 | 2487 | - | 2528 | = | -41 | * | (88 | / | 315) | = | -11.45396824 | ||
6 | 101546 | 2497 | - | 2552 | = | -55 | * | (86 | / | 315) | = | -15.01587302 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ella Elementary | -48 |
2019
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 102192 | 2412 | - | 2436 | = | -24 | * | (89 | / | 334) | = | -6.39520956 | ||
4 | 102193 | 2447 | - | 2485 | = | -38 | * | (77 | / | 334) | = | -8.76047904 | ||
5 | 102194 | 2482 | - | 2528 | = | -46 | * | (79 | / | 334) | = | -10.88023952 | ||
6 | 102195 | 2485 | - | 2552 | = | -67 | * | (89 | / | 334) | = | -17.85329336 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ella Elementary | -44 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-45 | -35 | -43 | -48 | -44 | -215.0 | -43.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -31.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -55.0
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
2015 | 2016 | 2017 | 2018 | 2019 | |
---|---|---|---|---|---|
Percent | 97% | 95% | 93% | 92% | 88% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Marysville Joint Unified school district County of Yuba
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Ella Elementary math proficiency
Zero+ meets standard.
92% less $meal
89% less $meal
87% less $meal
88% less $meal
85% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.